import Vue from "vue";
import VueRouter from "vue-router";
import Login from "../components/Login.vue";
import Home from "../components/Home.vue";
import Welcome from "../components/Welcome.vue";
import User from "../components/user/Users.vue";
import Right from "../components/Right/Rights.vue"
import Role from "../components/Right/Roles.vue"
import Cate from "../components/goods/Category.vue"
import Param from "../components/goods/Params.vue"
import GoodsList from "../components/goods/GoodsList.vue"
import Add from "../components/goods/Add.vue"
import Order from "../components/order/Order.vue"
import Report from "../components/report/Report.vue"

Vue.use(VueRouter);

const routes = [
  { path: "/", redirect: "/login" },
  { path: "/login", component: Login },
  {
    path: "/home",
    component: Home,
    redirect: "/welcome",
    children: [
      { path: "/welcome", component: Welcome },
      { path: "/users", component: User },
      {path: "/rights", component: Right},
      {path: "/roles", component: Role},
      {path: "/categories", component: Cate},
      {path: "/params", component: Param},
      {path: "/goods", component: GoodsList},
      {path: "/goods/add", component: Add},
      {path: "/orders", component: Order},
      {path: "/reports", component: Report}
    ],
  },
];

const router = new VueRouter({
  routes,
});

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 从哪个路径跳转过来
  // next 是一个函数，表示放行
  // next() 放行   next('/login') 强制跳转

  if (to.path === "/login") return next();
  // 获取 token
  const tokenStr = window.sessionStorage.getItem("token");
  if (!tokenStr) return next("/login");
  next();
});

export default router;
